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首页> 外文期刊>Gayana. Botanica >Caracterización de la flora vascular de Altos de Chicauma, Chile (33° S)/Characterization of the vascular flora of Altos de Chicauma, Chile (33° S)
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Caracterización de la flora vascular de Altos de Chicauma, Chile (33° S)/Characterization of the vascular flora of Altos de Chicauma, Chile (33° S)

机译:智利阿尔托斯德奇卡马的血管菌群的特征(33°S)/智利阿尔托斯德奇卡马的血管菌群的特征(33°S)

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摘要

A total richness of 602 specific and infra-specific taxa is reported for the locality of Altos de Chicauma, situated in the Metropolitan Region's Coastal mountain range, Chile (33° S), between 500 and 2.200 m of altitude. Chile's endemic taxa constitute 41% and the Southern Cone endemics equal 66% of the total flora, while 14% corresponds to alien flora. The total flora is characterized according to its presence in seven habitat-types. A commented systematic list is presented where each taxon is characterized according to its growth habit, geographic origin, relative frequency, and presence per habitat-type in Chicauma. Herbarium material supporting the presence in this locality is indicated for 572 taxa (95%). The total flora and the habitat-types' partial floras were characterized according to their richness, origin and biologic-types compositions. A similarity analysis between the habitats' native floras indicates that the species composition differs significantly to the rest in "high-mountainous hydric environments", "creeks and ravines", "xeric", and in the pairs, "valley sclerophyllous - montane sclerophyllous" and "deciduous - high-mountainous" habitats. The presence of 14 endangered species, nine Central Chile's Coastal mountain range endemics, 13 Metropolitan-Valparaiso regions' mountain endemics, and five distributional limits are reported for this locality. [PUBLICATION ABSTRACT]
机译:据报道,位于智利大都市区沿海山脉(33°S),海拔500至2.200 m的阿尔托斯·德·奇考马(Altos de Chicauma)地区共有602种特定和亚种特定的生物分类。智利的特有种群占41%,南锥体特有种占总菌群的66%,而14%对应于外来菌群。根据其在七种栖息地类型中的存在来表征总菌群。提出了一份经过评论的系统清单,其中每个分类单元根据其生长习性,地理起源,相对频率以及奇卡马州每个生境类型的存在进行了特征描述。 572个分类单元(占95%)表明支持该位置的植物标本室材料。根据其丰富度,起源和生物学类型组成来表征总菌群和生境类型的部分菌群。栖息地的原生植物之间的相似性分析表明,在“高山水环境”,“溪谷和山沟”,“干燥”以及成对的“谷类硬核-山地硬核”中,物种组成与其余物种显着不同。和“落叶-高山区”栖息地。据报告,该地区存在14种濒危物种,9个智利中部沿海山脉特有物种,13个大都市-瓦尔帕莱索地区的山区特有物种和5个分布范围。 [出版物摘要]

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  • 来源
    《Gayana. Botanica》 |2010年第1期|p.65-112|共48页
  • 作者

    Nicolás García;

  • 作者单位

    Nicolás García1, 21Department of Biology, University of Florida, Gainesville, FL 32611, USA.2Laboratorio de Flora y Vegetación, Departamento de Silvicultura, Facultad de Ciencias Forestales, Universidad de Chile, Casilla 9206, Santiago, Chile.nicogarcia@ufl.edu;

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